Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
681799981Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5763971269060230107292169.02018-06-05 05:06:27
History
DateUserTypeResult
2018-06-05ConductorF
Factor: 576397126906023010729 / TF: 68-69
2016-10-18sasakiNF
no factor from 2^67 to 2^68
2014-08-01sasakiNF
no factor from 2^66 to 2^67
2014-01-20sasakiNF
no factor from 2^65 to 2^66